Dual blender blade



FIG. 1 is a top perspective view of a dual blender blade, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view of my dual blender blade.

The broken line depictions are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for a dual blender blade, as shown and described. 